313220012332312 has 16 divisors (see below), whose sum is σ = 591770633988600. Its totient is φ = 155414509935360.

The previous prime is 313220012332247. The next prime is 313220012332387. The reversal of 313220012332312 is 213233210022313.

It is a happy number.

It is a super-2 number, since 2×313220012332312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149437027737 + ... + 149437029832.

Almost surely, 2^{313220012332312} is an apocalyptic number.

It is an amenable number.

313220012332312 is a deficient number, since it is larger than the sum of its proper divisors (278550621656288).

313220012332312 is a wasteful number, since it uses less digits than its factorization.

313220012332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298874057706 (or 298874057702 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 313220012332312 its reverse (213233210022313), we get a palindrome (526453222354625).

The spelling of 313220012332312 in words is "three hundred thirteen trillion, two hundred twenty billion, twelve million, three hundred thirty-two thousand, three hundred twelve".